19437360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80989}}^1$

素因数の和:81005

約数の個数: 40

約数和(自身を含む): 60256560

約数和(自身を除く): 40819200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80989, 161978, 242967, 323956, 404945, 485934, 647912, 809890, 971868, 1214835, 1295824, 1619780, 1943736, 2429670, 3239560, 3887472, 4859340, 6479120, 9718680, 19437360]

約数ペア:

[(1, 19437360), (2, 9718680), (3, 6479120), (4, 4859340), (5, 3887472), (6, 3239560), (8, 2429670), (10, 1943736), (12, 1619780), (15, 1295824), (16, 1214835), (20, 971868), (24, 809890), (30, 647912), (40, 485934), (48, 404945), (60, 323956), (80, 242967), (120, 161978), (240, 80989)]